

Select Advanced system settings from the window.Alternatively, right-click on This PC and choose Properties.Right-click the mouse on the Start menu.Give this a try: HOW TO FIX A SLOW START MENU AND UNRESPONSIVE TASKBAR IN WINDOWS 10

While a fix with an automatic Windows update would be ideal, there’s a workaround you can use to help immediately. For some users, the problem is so bad that it makes the Start menu difficult to use at the best of times. If you are suffering from an unresponsive Windows 10 taskbar, or a slow Start menu, you don’t have to keep putting up with the problem.
